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Inventions lay foundation to our lives as invention is the key to prosperity. Many inventions such as bulb,car,aeroplane have made us humans prosper in numerous fields. Inventions may be referred to as the roots of the modern world. A nice example would be of the invention of aeroplane. The wright brothers are remembered for the work which they did. Inventions can be a tough task but one gets sure success if he/she works on it with sincerity and determination.